APA (7th ed.) Citation

Cowper, R. a. 1. 1. (1925). Gloria in excelsis Deo: 1st responsory at Matins on Christmas Day. Chester Music.

Chicago Style (17th ed.) Citation

Cowper, Robert approximately 1474-approximately 1540. Gloria in Excelsis Deo: 1st Responsory at Matins on Christmas Day. [London, England]: Chester Music, 1925.

MLA (9th ed.) Citation

Cowper, Robert approximately 1474-approximately 1540. Gloria in Excelsis Deo: 1st Responsory at Matins on Christmas Day. Chester Music, 1925.